Sunny Isles Beach weather in August

In August, Sunny Isles Beach sees average daytime highs of 84°F and overnight lows near 80°F, with 5.3 in of rain across 19.7 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 84°F through the month. The sky is clear or mostly clear about 29% of the time in August, and the air most often feels miserable.

Daylight stretches from about 13 h 12 min at the start of August to 12 h 36 min by month's end. Set against the rest of the year, August is Sunny Isles Beach's 10th-clearest and 11th-windiest month. For the whole year in context, see Sunny Isles Beach's year-round climate.

Daytime high
84°
1st warmest
Overnight low
80°
12th coldest
Rainfall
5.3 in
19.7 wet days
Daylight
12 h 54 min
5:57 AM – 6:52 PM
Cloud cover
63%
10th clearest
Wind
9 mph
11th windiest
Solar energy
5.8 kWh/m²
Travel score
4.4
out of 10

Sunny Isles Beach is city in Miami-Dade County, Florida, United States of America.

Founded
1997

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 84°F through the month.

A typical August day in Sunny Isles Beach reaches about 84°F in the afternoon and slips back to 80°F overnight — a 3°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 85°F. Set against its neighbours, August runs on par with July and on par with September.

75°80°85°151015202531
Avg high (°F)Avg low (°F)
18480
28481
38481
48481
58481
68481
78481
88481
98481
108481
118481
128481
138481
148481
158481
168480
178480
188480
198480
208480
218480
228480
238480
248480
258480
268480
278480
288480
298380
308380
318380

How August really feels in Sunny Isles Beach

Once humidity and wind are folded in, August averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sunny Isles Beach weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan73° / 68°2.5910.67.1
Feb73° / 68°1.97.611.17.4
Mar74° / 70°2.38.411.87.4
Apr77° / 73°2.48.912.67.3
May79° / 76°3.81213.36.5
Jun82° / 79°5.518.113.65.0
Jul83° / 80°3.617.813.54.7
Aug84° / 80°5.319.712.94.4
Sep83° / 79°6.520.912.24.4
Oct81° / 77°5.415.911.45.7
Nov77° / 73°3.010.610.76.9
Dec74° / 70°2.110.610.47.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44852
54852
64852
74753
84852
94852
104852
114951
124852
134753
144852
154753
164753
174654
184654
194654
204456
214456
224357
234357
244357
254159
264159
274060
283961
293961
303961
313961

Chance of precipitation in August

Any precipitation

Sunny Isles Beach gets around 5.3 in of rain over 19.7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 63% and peaks near 70% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
159
259
360
460
560
660
759
859
959
1059
1159
1259
1360
1460
1561
1662
1762
1863
1964
2065
2166
2266
2367
2467
2568
2668
2769
2869
2970
3070
3170

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the miserable band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13367
23367
33268
43268
53268
63268
73169
83169
93169
103070
113070
123070
133070
143070
153070
163070
173070
183070
193070
203070
213070
223169
233169
243268
253367
263466
273565
283664
293763
303862
314060

Wind in August

Winds average 9 mph in August.

Across August, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 12 min at the start of August to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over August. Sunrise moves from 5:50 AM to 6:04 AM, and sunset from 7:03 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:507:03
213.25:507:03
313.25:517:02
413.25:517:02
513.25:527:01
613.15:527:00
713.15:536:59
813.15:536:59
913.15:546:58
1013.15:546:57
1113.05:556:56
1213.05:556:56
1313.05:566:55
1413.05:566:54
1512.95:576:53
1612.95:576:52
1712.95:576:51
1812.95:586:50
1912.95:586:49
2012.85:596:49
2112.85:596:48
2212.86:006:47
2312.86:006:46
2412.76:016:45
2512.76:016:44
2612.76:026:43
2712.76:026:42
2812.66:026:41
2912.66:036:39
3012.66:036:38
3112.66:046:37

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.8 kWh/m².

For context, solar energy here swings from a low near 3.25 kWh/m² to a high of 6.29 kWh/m² in May across the year — August's 5.8 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Bright
116.0Bright
126.0Bright
136.0Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.8Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in August

Hazard calendar for Sunny Isles Beach

In seasonPeak

In August, Sunny Isles Beach sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Sunny Isles Beach sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Sunny Isles Beach?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.4
Sightseeing
11th-best month of the year
5.5
Beach & pool
10th-best month of the year

August is a reasonable time to visit Sunny Isles Beach for sightseeing.

What to pack for Sunny Isles Beach in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Sunny Isles Beach sees daytime highs around 84°F and nights near 80°F. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Sunny Isles Beach in August

The nearest coast averages about 85°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 85°F and coldest in February near 76°F.

The water stays above 68°F all year — warm enough for a swim any month.

75°80°85°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan76Warm
Feb76Warm
Mar77Warm
Apr78Warm
May81Warm
Jun83Tropical
Jul85Tropical
Aug85Tropical
Sep85Tropical
Oct83Tropical
Nov80Warm
Dec78Warm

UV index in Sunny Isles Beach in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sunny Isles Beach peaks around July 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 12UV 12Dec 18UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr10Very high
May10Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Sunny Isles Beach in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Sunny Isles Beach is worst in July — around 23 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1722 µg/m³Nov 2010 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar13Moderate
Apr14Moderate
May15Moderate
Jun18Moderate
Jul23Moderate
Aug19Moderate
Sep14Moderate
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Sunny Isles Beach?

Sunny Isles Beach sits at 26.0°N, 80.1°W, 3 ft above sea level, in United States. The nearest listed city is Aventura, 1.2 mi away.

Topography around Sunny Isles Beach

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Sunny Isles Beach.

Within 2 miles, the terrain around Sunny Isles Beach has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 7 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 138 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 203 ft.

The land around Sunny Isles Beach is covered by water (55%) and artificial surfaces (31%) within 2 miles, water (55%) and artificial surfaces (32%) within 10 miles, and water (43%) and wetland (36%) within 50 miles.

2 miles
66 ft
10 miles
138 ft
50 miles
203 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Aventura 1.2 mi · Ojus 1.9 mi · Hallandale Beach 2.5 mi · North Miami Beach 2.5 mi · Ives Estates 3.7 mi · Hollywood 4.3 mi · West Park 5.0 mi · Golden Glades 5.6 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sunny Isles Beach (25.9506°, -80.1228°, elevation 3 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).